The generator matrix

 1  0  1  1  1  0  1  1  0  2  1  1  1  2  1  1  1  4  0  1  1  6  2  1  1  1  2  1  1  1  1  1  6  6  1  4  1  1  1  1  6  0  1  1  0  1  0  1  2  6  1  6  1  4  1  1  4  1  1  1  0  1  1  2  4  1
 0  1  1  0  1  1  0  3  1  1  0  7  5  1  0  3  2  1  1  1  2  1  1  4  5  6  1  3  0  1  3  4  1  1  2  1  5  1  6  4  1  1  3  0  4  3  1  4  2  1  7  1  2  1  1  2  2  5  2  2  0  7  1  2  1  0
 0  0  2  0  0  0  0  0  0  0  0  0  4  4  6  2  6  6  2  2  2  6  6  6  6  2  2  4  0  6  4  6  2  2  0  4  2  0  4  4  6  4  0  0  0  6  4  2  4  2  2  4  2  4  6  6  4  0  2  4  2  0  0  2  0  0
 0  0  0  2  0  0  0  0  2  6  2  6  2  4  6  0  2  2  2  2  4  4  0  4  6  2  2  2  2  4  2  2  0  6  2  4  0  4  0  6  2  2  4  4  2  0  4  4  6  6  6  2  2  0  6  4  4  0  0  0  6  6  6  0  2  0
 0  0  0  0  2  0  0  2  0  0  4  6  2  0  6  4  6  6  6  4  2  2  6  6  0  2  6  2  4  4  6  6  6  0  2  0  6  6  0  4  2  2  0  6  2  6  2  0  2  4  0  0  4  2  6  4  4  4  6  4  0  4  6  2  2  0
 0  0  0  0  0  2  6  2  6  4  6  6  0  6  2  2  4  0  2  2  4  2  4  2  0  2  4  0  6  6  2  0  0  0  6  0  4  0  0  4  2  0  4  6  6  6  4  6  4  2  6  6  4  4  6  6  6  6  2  4  2  6  4  4  2  0
 0  0  0  0  0  0  4  4  4  0  4  4  0  4  4  4  0  0  4  4  0  4  0  4  0  0  4  4  0  0  0  4  4  4  0  4  0  4  0  4  0  4  0  0  0  0  4  0  0  0  4  0  0  0  4  4  0  4  0  4  4  0  4  4  4  0

generates a code of length 66 over Z8 who´s minimum homogenous weight is 54.

Homogenous weight enumerator: w(x)=1x^0+70x^54+98x^55+250x^56+398x^57+594x^58+688x^59+1072x^60+1566x^61+1876x^62+2296x^63+2760x^64+3068x^65+3178x^66+3146x^67+2790x^68+2574x^69+1756x^70+1388x^71+1192x^72+736x^73+486x^74+278x^75+224x^76+92x^77+97x^78+34x^79+29x^80+14x^81+6x^82+8x^83+2x^84+1x^94

The gray image is a code over GF(2) with n=264, k=15 and d=108.
This code was found by Heurico 1.16 in 45.3 seconds.